from sys import exit
from random import randint
from textwrap import dedent

# 这是一个基类，它会包含所有场景的通用信息。
class Scene(object):
    def enter(self):
        print("This scene is not yet configured.")
        print("Subclass it and implement enter().")
        exit(1)

class Engine(object):
    def __init__(self,scene_map):
        self.scene_map=scene_map

    def play(self):
        current_scene=self.scene_map.opening_scene()
        last_scene=self.scene_map.next_scene('finished')

        while current_scene != last_scene:
            next_scene_name = current_scene.enter()
            current_scene = self.scene_map.next_scene(next_scene_name)

            # be sure to print out the last scene
            current_scene.enter()


class Death(Scene):

    quips = [
         "You died.You kinda suck at this.",
         "Your mom would be proud...if she were smarter.",
         "Suck a luser.",
         "I have a small puppy that's better at this.",
         "You're worse than your Dad's jokes."
     ]

    def enter(self):
         print(Death.quips[randint(0,len(self.quips)-1)])
         exit(1)

# CentralCorridor 是这个游戏的初始位置，我现在把它创建好了。
class CentralCorridor(Scene):
    def enter(self):
        print(dedent("""
            The Gothons of Planet Percal #25 have invaded your ship and
            destroyed your entire crew. You are the last surviving
            member and your last mission is to get the neutron destruct
            bomb from the weapons Armory,put it in the bridge,and blow
            the ship up after getting into an escape pod.

            You're running down the central corridor to the Weapons
            Armory when a Gothon jumps out,red scaly skin,dark grimy
            teeth,and evil clown costume flowing around his hate filled body.
            He's blocking the door to the Armory and about to pull a weapon
            to blast you.
        """))

        action = input("> ")
        if action == "shoot!":
            print(dedent("""
                    Quick on the draw you yank out your blaster and fire
                    it at the Gothon His clown costume is flowing and 
                    moving around his body,which throws off your aim.
                    Your laser hits his costumebut missseshim entirely.
                    This completely ruins his brand new costume his mother
                    bought him,which makes him fly into an insane rage
                    and blast you repeatedly in the face until you are dead.
                    Then he eats you.
            """))
            return 'death'

        elif action=="dodge!":
            print(dedent("""
                   Like a world class boxer you dodge,weave,slip and
                   slide right as the Gothon's blaster cranks a laser
                   past your head.In the middle of your artful dodge
                   your foot slips and you bang your head on the metal
                   wall and pass out.You wake up shortly after only to 
                   die as the Gothon stomps on your head and eats you
            """))
            return 'death'


        elif action =='tell a joke':
            print(dedent("""
                  Lucky for you they made you learn Gothon insults in
                  the academy.You tell the one Gothon joke you know:
                  Lbhe zbgure vf fb sng.jura fur fvgf nebhaq gur ubhfr,
                  fur fvgf nebhaq gur ubhfr.The Gothon stops,tries not 
                  to laugh,then busts out laughing and can't move.
                  While he's laughing you run up and shoot him square in the
                  head putting him down,then jump through the Weapon Armory door. 
            """))
            return 'laser_weapon_armory'

        else:
            print('DOES NOT COMPUTE!')
            return 'central_corridor'
        
class LaserWeaponArmory(Scene):
    def enter(self):
        print(dedent("""
              You do a dive roll into the Weapon Armory,crouch and scan the
              room for more Gothons that might be hiding.It's dead quiet,too
              quiet.You stand up and run to the far side of the room and
              find the neutron bomb in its container.
              There's a keypad lock on the box and you need the code to get
              the bomb out.If you get the code wrong 10 times then the lock
              closes forever and you can't get the bomb.The code is 3 digits.
        """))
        code=f"{randint(1,9)}{randint(1,9)}{randint(1,9)}"
        guess = input("[keypad]>")
        guesses=0
        while guess!=code and guesses<10:
             print("BZZZZZZZEDDDD")
             guesses+=1
             guess=input("[keypad]> ")
             if guess == code:
                 print(dedent("""
                        The cointainer clicks open and the seal breaks,letting gas
                        out.You grab the neutron bomb and run as fast as you can
                        to the bridge where you must place it in the right spot
                        """))
                 return 'the_bridge'
             else:
                print(dedent("""
                    The lock buzzes one last time and then you hear a sickening melting 
                    sound as the mechanism is fused
                    together.You decide to sit there,and finally the Gothons blow up the ship from their
                    ship and you die.
                """))
                return 'death'

            
class TheBridge(Scene):
    def enter(self):
        print(dedent("""
             You burst onto the Bridge with the neutron destruct bomb
             under your arm and surprise 5 Gothons who are trying to take control of
             the ship.Each of them has an even uglier clown costume than the last.
             They haven't pulled their weapons out yet,as they see the active bomb under
             your arm and don't want to set it off.
        """))
        action = input("> ")
        if action == "throw the bomb":
            print(dedent("""
                  In a panic you throw the bomb at the group of Gothons and make a  leap
                   for the door.Right as you drop it a Gothon shoots you right in the
                   back killing you.As you die you see another Gothon frantically try to disarm
                   the bomb.You die knowing they will probably
                   blow up when it goes off.
            """))
            return 'death'
        elif action == "slowly place the bomb":
            print(dedent("""
                  You point your blaster at the bomb under your arm and
                  the Gothons put their hands up and start to sweat.
                  You inch backward to the door,open it,and then carefully
                  place the bomb on the floor,pointing your blaster at it.
                  You then jump back through the door,punch the close button
                  and blast the clock so the 
                  Gothons can't get out.Now that the bomb is placed
                  you run to the escape pod to get off this tin can.
            """))
            return 'escape_pod'

        else:
            print("Does not compute!")
            return "the_bridge"


class EscapePod(Scene):
    def enter(self):
        print(dedent("""
              You rush through the ship desperately trying to
              make it to the escape pod before the whole ship explodes.It
              seems like hardly any Gothons are on the ship,so your run is
              clear of interference.You get to the chamber with the escape pods,
              and now need to pick one to take.Some of them could be damaged but
              you don't have time to look.
              There's 5 pods,which one do you take?
        """))
        good_pod = randint(1,5)
        guess = input("[pod #]> ")

        if int(guess) != good_pod:
            print(dedent("""
                  You jump into pod {guess} and hit the eject button.
                  The pod escapes out into the void of space,then implodes
                  as the hull ruptures,crushing your body into jam jelly.
            """))
            return 'death'
        else:
            print(dedent("""
                 You jump into pod {guess} and hit the eject button.
                 The pod easily slides out into space heading to the planet
                 below.As it flies to the planet,you look back and see your ship implode
                 explode like a bright star,taking out the Gothon ship at the same time,you
                 win
            """))
            return 'finishied'

class Finished(Scene):
    def enter(self):
        print("You won! Good job.")
        return 'finishied'


class Map(object):
    scenes = {
        'central_corridor':CentralCorridor(),
        'laser_weapon_armory':LaserWeaponArmory(),
        'the_bridge':TheBridge(),
        'escape_pod':EscapePod(),
        'death':Death(),
        'finished':Finished(),
    }
    def __init__(self,start_scene):
        self.start_scene=start_scene

    def next_scene(self,scene_name):
        val=Map.scenes.get(scene_name)
        return val

    def opening_scene(self):
        return self.next_scene(self.start_scene)


a_map = Map('central_corridor')
a_game=Engine(a_map)
a_game.play() 